Finding the Fourth Proportional to 217,149.08, 299,641.53 and 126,486.08
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Solution
The fourth proportional to 217,149.08, 299,641.53 and 126,486.08 is: 174,536.69
Step by Step Solution
- Step 1: Write the proportion equation
217,149.08 : 299,641.53 = 126,486.08 : x - Step 2: Convert to fraction form
217,149.08/299,641.53 = 126,486.08/x - Step 3: Cross multiply
217,149.08x = 299,641.53 × 126,486.08 - Step 4: Simplify right side
217,149.08x = 37,900,482,534.90 - Step 5: Solve for x
x = 37,900,482,534.90/217,149.08 - Step 6: Final answer
x = 174,536.69
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.